4-羟基-6-甲基-2-吡喃酮

4-甲氧基苯硼酸

4-bromo-6-methylpyran-2-one

(2-methyl-6-oxopyran-4-yl) 4-methylbenzenesulfonate

5-acetyl-6-hydroxy-4-(4-methoxyphenyl)-2H-pyran-2-one